081
FZUS61 KBUF 222002
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 PM EDT Fri Aug 22 2025

For waters beyond five nautical miles of shore on Lake Ontario

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...A 30.1 inch high across the Lower Great Lakes will drift
east and out across New England tonight. A 29.5 inch low will move
to near James Bay Saturday, then will linger in place through Sunday
while pushing a cold front across the lake later Sunday afternoon
and evening. A secondary frontal boundary will cross the lake
Monday, with troughing remaining across the lake through mid week.

LOZ062-230300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 PM EDT Fri Aug 22 2025

.TONIGHT...Southeast winds 10 knots or less becoming south. Waves
1 foot or less.
.SATURDAY...South winds 5 to 15 knots becoming southwest. Waves
2 feet or less.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Showers likely
with a chance of thunderstorms. Waves 1 to 3 feet.
.SUNDAY...West winds 10 to 15 knots. Showers likely in the
morning, then a chance of showers in the afternoon. Waves 1 to
2 feet.
.SUNDAY NIGHT...West winds 10 to 15 knots. A chance of showers.
Waves 1 to 2 feet.
.MONDAY...West winds 15 to 20 knots. A chance of showers. Waves
2 to 4 feet building to 3 to 6 feet.
.TUESDAY...West winds 15 to 20 knots becoming northwest 10 to
15 knots. A chance of showers. Waves 3 to 5 feet subsiding to
2 to 4 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming west. Waves
2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063-230300-
Lake Ontario open waters from Hamlin Beach to Sodus Bay-
402 PM EDT Fri Aug 22 2025

.TONIGHT...South winds 10 knots or less. Waves 1 foot or less.
.SATURDAY...South winds 10 knots or less becoming southeast.
Waves 1 foot or less.
.SATURDAY NIGHT...South winds 5 to 15 knots becoming southwest.
Showers with a chance of thunderstorms. Waves 1 to 3 feet.
.SUNDAY...Southwest winds 5 to 15 knots becoming west. Showers
likely in the morning, then a chance of showers and thunderstorms
in the afternoon. Waves 1 to 3 feet.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots becoming west. A
chance of showers and thunderstorms in the evening, then a chance
of showers overnight. Waves 1 to 2 feet.
.MONDAY...West winds 15 to 20 knots. A chance of showers. Waves
2 to 4 feet building to 3 to 6 feet.
.TUESDAY...West winds 15 to 20 knots becoming northwest 10 to
15 knots. A chance of showers. Waves 3 to 6 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming west 15 to
20 knots. A chance of showers during the day. Waves 2 to 4 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ064-065-230300-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
402 PM EDT Fri Aug 22 2025

.TONIGHT...Southwest winds 10 knots or less becoming south. Waves
1 foot or less.
.SATURDAY...South winds 5 to 15 knots. Waves 2 feet or less.
.SATURDAY NIGHT...South winds 5 to 10 knots increasing to 15 to
20 knots. Showers with a chance of thunderstorms. Waves 2 feet or
less building to 2 to 4 feet.
.SUNDAY...South winds 15 to 20 knots becoming southwest 5 to
15 knots. Showers likely in the morning, then showers likely with
a chance of thunderstorms in the afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Showers likely
with a chance of thunderstorms in the evening, then a chance of
showers overnight. Waves 1 to 2 feet.
.MONDAY...West winds 10 to 15 knots increasing to 15 to 20 knots.
A chance of showers. Waves 2 to 4 feet building to 3 to 6 feet.
.TUESDAY...West winds 15 to 20 knots becoming northwest 10 to
15 knots. A chance of showers. Waves 3 to 6 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming southwest. A
chance of showers during the day. Waves 1 to 3 feet building to
2 to 4 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-230300-
MAFOR 2221/
ONTARIO WEST 1/2 12300 13400 12500 11410. Waves 2 feet or less.

ONTARIO EAST 1/2 11500 13400 13410 11300. Waves 2 feet or less.

$$